package lab.ddc.Util;

public class MD5 {
 
	public static String getMD5(String pwd) {
		byte[] source=pwd.getBytes();
		String s = null;
		char hexDigits[] = {
				'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',  'e', 'f'};
		try{
			java.security.MessageDigest md = java.security.MessageDigest.getInstance( "MD5" );
			md.update( source );
			byte tmp[] = md.digest();
			char str[] = new char[16 * 2];
			int k = 0;
			for (int i = 0; i < 16; i++) {
				byte byte0 = tmp[i];
				str[k++] = hexDigits[byte0 >>> 4 & 0xf];
				str[k++] = hexDigits[byte0 & 0xf];
			}
			s = new String(str);
		}catch(Exception e){
			e.printStackTrace();
		}
		return s;
	}
	
}

